There is a great collection of truck batteries available in the market and all these batteries are used for different purposes, different engines and vehicles also. The voltage capacity of these batteries are also different as these are designed according to the suitable vehicle. In a truck battery, the number of amps is 40 outputs (except commercial, 220 VAC input types, or 3 phase). While using a 40 amps battery, you can recharge 80% of your battery in 6 hours. The engines of trucks need to be taken care of regularly and the best way is to use a battery and put a charger in vehicle that can slowly, but continuously recharge the battery.
For a truck battery, the use of a trickle charger is best as it will supply the required voltage and will recharge the battery regularly. It has also been suggested that truck batteries have more than 500 to 1000 amps. It all depends upon the size and quality of the battery. The important thing is that battery should be recharged regularly so that no harm can create trouble during long voyages. The matter of engines and batteries are further complicated by the fact that you'll see two-ampere ratings on most batteries: the crank amps (CA) and cold cranking amps (CCA). You can also use two more batteries connected to each other in parallel. However, when you take two 6-volt, 100-amp hour batteries in series, it becomes 100 amps at 12 volts. When in parallel, it becomes 200 amps at 6 volts. e.g. If you have six 120-amp hour batteries at 12 volts each, you end up with a 12 volt system with 720 amp hours (Ah) assuming that you connect the batteries in parallel. So, the amps of the battery should be maintained for the well functioning of the battery.